Asked by Obaloluwa

An object falls freely from a height of 25m onto a roof of a building 5m high. Calculate the velocity with which the object strikes the roof
Answered by oobleck
recall that v^2 = 2as = 2*9.8*25
Answered by henry2,
Assuming 25 m above gnd.
d = 25-5 = 20 m.
V^2 = Vo^2 + 2g*d = 0 + 19.6*20 = 392.
V =

Answered by y6y
an object falls freely from 5m high the ground, then: the velocity of the object when it reaches the ground is
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